Tucson in July

In July, Tucson averages 37°C (99°F) during the day and 26°C (78°F) at night, with around 8 days of rain (57 mm total).

Shoulder

Conditions are very hot — early-morning and evening sightseeing recommended. Occasional showers are likely but won't dominate.

July in Tucson is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

37°C
Avg high
26°C
Avg low
8
Rain days
57 mm
Rainfall

How July compares to the rest of the year in Tucson

2nd
warmest month of the 12
1st
wettest month of the 12
17%
of yearly rainfall falls in July
14 h 4 min
daylight on the 15th

July is one of the warmest months in Tucson (2nd of 12) and one of the wettest months (1st of 12). Daytime temperature runs 9°C above the annual average (29°C). July runs 1°C cooler than June (38°C) and cools 1°C in August (36°C).

July sunrise & sunset in Tucson

🌅
Sunrise (15th)
5:27 AM
🌇
Sunset (15th)
7:31 PM
Day length
14 h 4 min

Times shown for Tucson local time (America/Phoenix), calculated for the 15th of July. They shift by a few minutes day to day across the month.

Photography light in Tucson — July

Golden-hour and blue-hour windows for the 15th of July, in Tucson's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:27 AM – 5:07 AM
🌄 Golden hour (AM)
5:07 AM – 6:07 AM
🌇 Golden hour (PM)
6:51 PM – 7:51 PM
🌆 Blue hour (PM)
7:51 PM – 8:31 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Tucson in July

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (Shoulder) and Tucson's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — July in Tucson

Shoulder

Tucson is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: challenging tourism weather Northern Hemisphere summer holidays

Sun & mosquito risk — July in Tucson

☀️ UV Index (noon, 15th)
12.7
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Tucson in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 19°C / 65°F 5°C / 41°F 34 mm 4
February 21°C / 70°F 6°C / 43°F 24 mm 4
March 25°C / 77°F 9°C / 49°F 16 mm 3
April 29°C / 85°F 13°C / 56°F 3 mm 1
May 33°C / 91°F 17°C / 63°F 3 mm 1
June 38°C / 101°F 23°C / 74°F 8 mm 1
July 37°C / 99°F 26°C / 78°F 57 mm 8
August 36°C / 98°F 24°C / 76°F 48 mm 8
September 34°C / 94°F 22°C / 71°F 58 mm 6
October 30°C / 86°F 16°C / 61°F 21 mm 3
November 24°C / 76°F 10°C / 50°F 17 mm 2
December 19°C / 65°F 6°C / 42°F 39 mm 4

Other cities with similar July weather

🌍 See the full ranked list of climate twins for Tucson in July →

Frequently asked questions

How hot is Tucson in July?

In July, Tucson averages a high of 37°C (99°F) and a low of 26°C (78°F) — generally hot.

Does it rain a lot in Tucson in July?

July sees occasional rain in Tucson, with about 8 rainy days on average.

Is July a good time to visit Tucson?

July is hot. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Tucson in July?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full July packing list for Tucson for a complete, climate-based checklist.

Open Tucson on the interactive map

Check the live 10-day forecast and sunrise/sunset.